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<head>
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  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      list-style: none;
    }

    div {
      width: 600px;
      margin: 50px auto;
      padding: 5px;
      border: 5px solid black;
    }

    ul {
      display: flex;
      height: 30px;
    }

    button {
      width: 30px;
      height: 30px;
      background-color: #c0c0c0;
    }

    .bgc1 {
      background-color: white;
    }

    .bgc2 {
      background-color: black;
    }

    .bgc3 {
      background: url(./pngsucai_1307487_8c9867.png)no-repeat;
      background-color: #c0c0c0;
      background-size: 100%;
    }

    .active {
      background: url(./Snipaste_2022-06-12_16-24-48.jpg) no-repeat;
      background-size: 100%;
    }

    p {
      position: absolute;
      top: 200px;
      right: 200px;
      font-size: 20px;
    }

    .time {
      width: 200px;
      border: none;
      position: absolute;
      top: 400px;
      right: 200px;
      font-size: 20px;
    }

    .qizi {
      width: 200px;
      border: none;
      position: absolute;
      top: 200px;
      left: 200px;
      font-size: 20px;
    }
  </style>
</head>

<body>
  <div></div>
  <p>鼠标左键点击<br>
    鼠标右键标记<br>
    点击空白格子可快速扫雷
  </p>
  <div class="time">
    时间<br>
    <span class="fen">00</span>分<span class="miao">00</span>秒
  </div>
  <div class="qizi">
    地雷数量:70 <br>
    棋子数量:<span>0</span>
  </div>
  <script src="./扫雷.js"></script>
</body>

</html>